/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.datatables;

import java.sql.PreparedStatement;
import java.sql.ResultSet;

import javolution.util.FastList;
import net.sf.l2j.database.L2DatabaseFactory;
import net.sf.l2j.gameserver.templates.L2BuffTemplate;
import net.sf.l2j.gameserver.templates.StatsSet;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class BuffTemplateTable {
	private final static Log _log = LogFactory.getLog(BuffTemplateTable.class
			.getName());
	private static BuffTemplateTable _instance;
	/** This table contains all the Buff Templates */
	private FastList<L2BuffTemplate> _buffs;

	public static BuffTemplateTable getInstance() {
		if (_instance == null)
			_instance = new BuffTemplateTable();
		return _instance;
	}

	/**
	 * Creates and charges all the Buff templates from the SQL Table
	 * buff_templates
	 */
	public BuffTemplateTable() {
		_buffs = new FastList<L2BuffTemplate>();
		ReloadBuffTemplates();
	}

	/**
	 * Reads and charges all the Buff templates from the SQL table
	 */
	public void ReloadBuffTemplates() {
		_buffs.clear();
		java.sql.Connection con = null;
		try {
			try {
				con = L2DatabaseFactory.getInstance().getConnection();
				PreparedStatement statement = con
						.prepareStatement("SELECT * FROM buff_templates ORDER BY id, skill_order");
				ResultSet rset = statement.executeQuery();
				int _buffTemplates = 0;
				int templateId = -1;
				while (rset.next()) {
					StatsSet Buff = new StatsSet();
					if (templateId != rset.getInt("id"))
						_buffTemplates++;
					templateId = rset.getInt("id");
					Buff.set("id", templateId);
					Buff.set("name", rset.getString("name"));
					Buff.set("skillId", rset.getInt("skill_id"));
					Buff.set("skillLevel", rset.getInt("skill_level"));
					Buff.set("skillOrder", rset.getInt("skill_order"));
					Buff.set("forceCast", rset.getInt("skill_force"));
					Buff.set("minLevel", rset.getInt("char_min_level"));
					Buff.set("maxLevel", rset.getInt("char_max_level"));
					Buff.set("race", rset.getInt("char_race"));
					Buff.set("class", rset.getInt("char_class"));
					Buff.set("adena", rset.getInt("price_adena"));
					// Add this buff to the Table.
					L2BuffTemplate template = new L2BuffTemplate(Buff);
					if (template.getSkill() == null)
						_log.warn("Error while loading buff template Id "
								+ template.getId() + " skill Id "
								+ template.getSkillId());
					else
						_buffs.add(template);
				}
				_log.info("BuffTemplateTable: Loaded " + _buffTemplates
						+ " Buff Templates.");
				rset.close();
				statement.close();
			} catch (Exception e) {
				_log.warn("Error while loading buff templates "
						+ e.getMessage());
			}
		} finally {
			try {
				con.close();
			} catch (Exception e) {
			}
		}
	}

	/**
	 * @return Returns the buffs of template by template Id
	 */
	public FastList<L2BuffTemplate> getBuffTemplate(int Id) {
		FastList<L2BuffTemplate> _templateBuffs = new FastList<L2BuffTemplate>();
		for (L2BuffTemplate _bt : _buffs)
			if (_bt.getId() == Id)
				_templateBuffs.add(_bt);
		return _templateBuffs;
	}

	/**
	 * @return Returns the template Id by template Name
	 */
	public int getTemplateIdByName(String _name) {
		int _id = 0;
		for (L2BuffTemplate _bt : _buffs)
			if (_bt.getName().equals(_name)) {
				_id = _bt.getId();
				break;
			}
		return _id;
	}

	/**
	 * @return Returns the lowest char level for Buff template
	 */
	public int getLowestLevel(int Id) {
		int _lowestLevel = 255;
		for (L2BuffTemplate _bt : _buffs)
			if (_bt.getId() == Id && _lowestLevel > _bt.getMinLevel())
				_lowestLevel = _bt.getMinLevel();
		return _lowestLevel;
	}

	/**
	 * @return Returns the highest char level for Buff template
	 */
	public int getHighestLevel(int Id) {
		int _highestLevel = 0;
		for (L2BuffTemplate _bt : _buffs)
			if (_bt.getId() == Id && _highestLevel < _bt.getMaxLevel())
				_highestLevel = _bt.getMaxLevel();
		return _highestLevel;
	}

	/**
	 * @return Returns the buff templates list
	 */
	public FastList<L2BuffTemplate> getBuffTemplateTable() {
		return _buffs;
	}
}
